diff --git a/src/caches.lua b/src/caches.lua
index 498453f..eae61a3 100644
--- a/src/caches.lua
+++ b/src/caches.lua
@@ -32,7 +32,7 @@ local function cache_groups(groupname, groups)
 
 	if nb_items > 1 then
 		local px = 256
-		local sprite = fmt("[combine:%ux%u", px, nb_items + (px * nb_items) - 1)
+		local sprite = fmt("[combine:%ux%u", px, px * nb_items)
 
 		for i = 1, nb_items do
 			local item = items[i]
@@ -43,7 +43,7 @@ local function cache_groups(groupname, groups)
 				texture = get_cube(def.tiles)
 			end
 
-			sprite = sprite .. fmt(":0,%u=%s", (i - 1) + ((i - 1) * px), texture)
+			sprite = sprite .. fmt(":0,%u=%s", (i - 1) * px, texture)
 		end
 
 		i3.groups[groupname].sprite = sprite
diff --git a/src/gui.lua b/src/gui.lua
index 34a6a46..7bdb3ca 100644
--- a/src/gui.lua
+++ b/src/gui.lua
@@ -1035,7 +1035,7 @@ local function get_grid_fs(fs, data, rcp, is_recipe)
 			local sprite = group_cache.sprite
 
 			fs("item_image_button", X, Y, btn_size, btn_size, "", btn_name, "")
-			fs("animated_image", X + 0.01, Y, 1.87, 1.87, sprite, #group_cache.items, 1000)
+			fs("animated_image", X + 0.01, Y + 0.01, 1.89, 1.89, sprite, #group_cache.items, 1000)
 			fs("label", X + 0.45, Y + 0.18, label)
 
 			if _count > 1 then